Frequencies for d_4_ipf_c11_90 variable in prds_hosp10_yr2014 dataset :

d_4_ipf_c11 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.11        0.11
          2 |          4        0.06        0.18
          3 |          2        0.03        0.21
          4 |          2        0.03        0.24
          5 |          2        0.03        0.27
         14 |          1        0.02        0.29
         19 |          1        0.02        0.30
         25 |          1        0.02        0.32
         34 |          1        0.02        0.34
         46 |          1        0.02        0.35
         69 |          1        0.02        0.37
         70 |          1        0.02        0.38
         72 |          1        0.02        0.40
        117 |          1        0.02        0.42
        118 |          1        0.02        0.43
        195 |          1        0.02        0.45
        361 |          1        0.02        0.46
      26123 |          1        0.02        0.48
          . |      6,218       99.52      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018